Welcome to our gaming guide for locating the crystals, hearts, and discs in Master Key. In this article, we will provide you with general locations for all of these items, with the exception of Disc 33. Whether you’re a seasoned player or just starting out, this guide will help you on your journey to mastering the game. So let’s dive in and uncover the locations of these essential items.
Map
Crystals 1 to 10
1: Cut down a bush in the skeleton’s farm just east from Village
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2: Defeat the King Slime outside Village
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3: After getting strength from the gym, find this hidden cave in Village and solve the block puzzle
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4: From the save point in front of Field Temple, head east around the back to find a hidden burrow. Break down the east wall.
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5: East of Field Temple, find a hidden cave on a hill between two rocks. The crystal is in the room with the dragonette.
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6: Deliver coffee to the dwarf near Field Temple to access a burrow. Navigate through the hazards to the crystal.
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7: Purchase from the shop at Village for 249 gold after getting the 2nd wallet
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8, 9, 10: Purchase from the shop at Village for 599 gold after getting the 3rd wallet
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2: Defeat the King Slime outside Village
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3: After getting strength from the gym, find this hidden cave in Village and solve the block puzzle
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4: From the save point in front of Field Temple, head east around the back to find a hidden burrow. Break down the east wall.
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5: East of Field Temple, find a hidden cave on a hill between two rocks. The crystal is in the room with the dragonette.
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6: Deliver coffee to the dwarf near Field Temple to access a burrow. Navigate through the hazards to the crystal.
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7: Purchase from the shop at Village for 249 gold after getting the 2nd wallet
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8, 9, 10: Purchase from the shop at Village for 599 gold after getting the 3rd wallet
Crystals 11 to 20
11: Find a chest in Mansion’s basement
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12: Defeat the King Skeleton on the east side of the forest
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13: Find the rabbit burrow west of Field Temple and defeat the horde of rabbits
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14: Cut down a tree west of Field Temple
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15: In the Illusion Temple, find the hidden staircase in the room you found Heart 15. The crystal is at the end of this secret section.
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16: Open the chest in the Crystal Dragon’s room
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17: Examine the rock east of the starting area with the lens
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18: Open the chest after exiting the burrow blocked by brambles just north of Village
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19: Slightly southwest of Village, cross a river to find a grove with many crows and a crystal
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20: Dive in the middle of the four pillars on the east side of the lake
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12: Defeat the King Skeleton on the east side of the forest
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13: Find the rabbit burrow west of Field Temple and defeat the horde of rabbits
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14: Cut down a tree west of Field Temple
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15: In the Illusion Temple, find the hidden staircase in the room you found Heart 15. The crystal is at the end of this secret section.
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16: Open the chest in the Crystal Dragon’s room
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17: Examine the rock east of the starting area with the lens
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18: Open the chest after exiting the burrow blocked by brambles just north of Village
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19: Slightly southwest of Village, cross a river to find a grove with many crows and a crystal
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20: Dive in the middle of the four pillars on the east side of the lake
Crystals 21 to 30
21: Defeat the King Mollusk southwest of the flippers shop
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22: Defeat the King Pingu north of the dwarf’s shop
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23: Use hookshot to navigate the upper area just south of the dwarf’s shop
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24: Use hookshot+ in the area just below the mountain save point
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25: In the Snow Temple, continue right from the grove of snow crows and dig at the dead end
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26: Use hookshot+ to get to the chest on top of a building in Village
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27: In a Village house’s basement, dig underneath the steam to get to the crystal
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28: Use the flippers to access the southern portion of the swamp to get to this crystal
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29: Continue further south in the swamp and defeat the King Croc
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30: Deliver coffee to the dwarf located south of the witch’s hut
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22: Defeat the King Pingu north of the dwarf’s shop
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23: Use hookshot to navigate the upper area just south of the dwarf’s shop
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24: Use hookshot+ in the area just below the mountain save point
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25: In the Snow Temple, continue right from the grove of snow crows and dig at the dead end
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26: Use hookshot+ to get to the chest on top of a building in Village
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27: In a Village house’s basement, dig underneath the steam to get to the crystal
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28: Use the flippers to access the southern portion of the swamp to get to this crystal
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29: Continue further south in the swamp and defeat the King Croc
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30: Deliver coffee to the dwarf located south of the witch’s hut
Crystals 31 to 40
31: Use the balloon or the boomerang+ and hookshot to access a chest next to the Crystal Dragon Den entrance.
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32: Just north of the waterfall pit in the swamp, use hookshot+ to get to this chest on an island.
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33: In Power Plant, dodge the two helicopikes to get to the chest.
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34: Defeat the King Rabbit northwest of the starting area.
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35: Use the balloon to access a chest on a small cliff just south of the pingu ice field.
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36: Use the balloon (or boomerang and hookshot) to access the underground of this island. Use the balloon on the east side.
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37: Use the balloon in the island’s underground area to continue east of the Heart. Continue floating to each island north to get to the crystal.
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38: Use the hookshot+ or ballon to reach the other side of the forest ravine
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39: Deliver coffee to the dwarf in the forest
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40: Claim the Arena’s 3rd reward
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32: Just north of the waterfall pit in the swamp, use hookshot+ to get to this chest on an island.
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33: In Power Plant, dodge the two helicopikes to get to the chest.
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34: Defeat the King Rabbit northwest of the starting area.
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35: Use the balloon to access a chest on a small cliff just south of the pingu ice field.
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36: Use the balloon (or boomerang and hookshot) to access the underground of this island. Use the balloon on the east side.
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37: Use the balloon in the island’s underground area to continue east of the Heart. Continue floating to each island north to get to the crystal.
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38: Use the hookshot+ or ballon to reach the other side of the forest ravine
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39: Deliver coffee to the dwarf in the forest
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40: Claim the Arena’s 3rd reward
Crystals 41 to 50
41: In Field Temple, break the eastern wall of the spike room and use the flippers+ to swim up the waterfall.
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42: Chop down a tree in the starting area to access the crystal on the other side.
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43: Use the balloon to reach a cliff to the south of Crystal 14. Follow the path to reach the upper part of the starting area and a camouflaged chest.
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44: In a burrow west of the village, dig under the steam to reach the crystal.
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45: In the cave you found Crystal 4, use the boomerang and hookshot to reach another crystal.
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46: On an island on the northern edge of the swamp, use the boomerang and hookshot to access a burrow.
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47: In the eastern portion of City’s sewers, find a breakable wall.
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48: From Crystal 47, go west and continue to follow the path of the sewers to get to the crystal.
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49: From the sewer access in City’s bar, go south and use the balloon to cross to another section of the sewers. Go up the ladder to enter a building with the crystal.
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50: On the east side of City, use the ballon and float over the clouds to reveal hidden sky islands.
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42: Chop down a tree in the starting area to access the crystal on the other side.
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43: Use the balloon to reach a cliff to the south of Crystal 14. Follow the path to reach the upper part of the starting area and a camouflaged chest.
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44: In a burrow west of the village, dig under the steam to reach the crystal.
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45: In the cave you found Crystal 4, use the boomerang and hookshot to reach another crystal.
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46: On an island on the northern edge of the swamp, use the boomerang and hookshot to access a burrow.
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47: In the eastern portion of City’s sewers, find a breakable wall.
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48: From Crystal 47, go west and continue to follow the path of the sewers to get to the crystal.
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49: From the sewer access in City’s bar, go south and use the balloon to cross to another section of the sewers. Go up the ladder to enter a building with the crystal.
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50: On the east side of City, use the ballon and float over the clouds to reveal hidden sky islands.
Crystals 51 to 60
51: Use the balloon to navigate the roofs of City and head west. Find a building with a hole in the roof and drop down to the crystal.
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52: Solve the block puzzle on the lower level of City’s supermarket.
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53: Defeat the King Black Slime found in City’s library on the west side.
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54: Use the balloon to reach a floating island on the west side of City.
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55: In Forge, four large stones surround this chest. Break them with strength+.
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56: In Forge, hit a switch near the start of the dungeon to grant access to three chests next to a pit.
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57: In Forge, use the balloon+ to get past a fan and pike gauntlet and defeat a lancer to reach the crystal.
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58: Fall from a pit in Castle to drop into a jail cell with this chest.
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59: Fall from above or use the balloon+ to reach this crystal on the east side of Castle.
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60: Use strength+ to break a rock south of Village.
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52: Solve the block puzzle on the lower level of City’s supermarket.
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53: Defeat the King Black Slime found in City’s library on the west side.
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54: Use the balloon to reach a floating island on the west side of City.
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55: In Forge, four large stones surround this chest. Break them with strength+.
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56: In Forge, hit a switch near the start of the dungeon to grant access to three chests next to a pit.
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57: In Forge, use the balloon+ to get past a fan and pike gauntlet and defeat a lancer to reach the crystal.
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58: Fall from a pit in Castle to drop into a jail cell with this chest.
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59: Fall from above or use the balloon+ to reach this crystal on the east side of Castle.
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60: Use strength+ to break a rock south of Village.
Hearts 1 to 10
1 & 2: Purchase at the Village shop for 100 gold after getting the 2nd wallet.
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3: Purchase at the Village shop for 199 gold after getting the 2nd wallet.
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4 & 5: Purchase at the Village shop for 300 gold after getting the 3rd wallet.
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6: East of Field Temple, find a hidden cave on a hill between two rocks. Continue to the end and solve the block pushing puzzle.
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7: In Field Temple, break the eastern wall of the spike room.
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8 & 9: Collect the Field Key.
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10: Deliver coffee to the dwarf near Field Temple to access a burrow. Break down the northwestern wall.
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3: Purchase at the Village shop for 199 gold after getting the 2nd wallet.
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4 & 5: Purchase at the Village shop for 300 gold after getting the 3rd wallet.
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6: East of Field Temple, find a hidden cave on a hill between two rocks. Continue to the end and solve the block pushing puzzle.
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7: In Field Temple, break the eastern wall of the spike room.
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8 & 9: Collect the Field Key.
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10: Deliver coffee to the dwarf near Field Temple to access a burrow. Break down the northwestern wall.
Hearts 11 to 20
11: In Mansion, enter the room at the top floor that you can go through after defeating 9 ghosts.
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12 & 13: Collect the Mansion Key.
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14: Cut down a bush in the forest southwest of Mansion to reveal a burrow.
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15: In Illusion Temple, break down a wall on the northeastern side of the maze.
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16 & 17: On the top floor of Illusion Temple, defeat the Cyclo.
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18: In the Lost Maze, use the lens to read and follow the signs (L U U L D R U R).
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19: In the Lost Maze, follow the path revealed by the banners in the Hall of Dwarfs (U R D L L U R U).
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20: Cut down a tree behind the lantern shop in the forest.
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12 & 13: Collect the Mansion Key.
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14: Cut down a bush in the forest southwest of Mansion to reveal a burrow.
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15: In Illusion Temple, break down a wall on the northeastern side of the maze.
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16 & 17: On the top floor of Illusion Temple, defeat the Cyclo.
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18: In the Lost Maze, use the lens to read and follow the signs (L U U L D R U R).
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19: In the Lost Maze, follow the path revealed by the banners in the Hall of Dwarfs (U R D L L U R U).
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20: Cut down a tree behind the lantern shop in the forest.
Hearts 21 to 30
21: Open the chest on the island next to the flippers shop. You can use the shop as a hookshot point to get back.
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22: Find a hidden cave in the mountain area somewhat southwest of the flippers shop.
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23: Purchase at the dwarf’s shop for 200 gold after getting the 2nd wallet.
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24: Deliver coffee to the dwarf in the Pingu ice field.
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25: In the Snow Temple, after activating the furnace, enter a cave to the left of the entrance. Break a wall to the north and use the lens to reveal a camouflaged chest.
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26 & 27: Collect the Snow Key.
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28: Use the flippers to swim around Village and enter the sewers.
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29: Deliver the swamp mushroom to the witch and use the magic potion to warp to the mountains. Go north of where you warp to and dig in the center.
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30: Swim behind the abandoned house and dive to enter and access the chest.
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22: Find a hidden cave in the mountain area somewhat southwest of the flippers shop.
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23: Purchase at the dwarf’s shop for 200 gold after getting the 2nd wallet.
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24: Deliver coffee to the dwarf in the Pingu ice field.
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25: In the Snow Temple, after activating the furnace, enter a cave to the left of the entrance. Break a wall to the north and use the lens to reveal a camouflaged chest.
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26 & 27: Collect the Snow Key.
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28: Use the flippers to swim around Village and enter the sewers.
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29: Deliver the swamp mushroom to the witch and use the magic potion to warp to the mountains. Go north of where you warp to and dig in the center.
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30: Swim behind the abandoned house and dive to enter and access the chest.
Hearts 31 to 40
31: Give the Crystal Dragon 3 total crystals.
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32: Give the Crystal Dragon 10 total crystals.
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33: Give the Crystal Dragon 25 total crystals.
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34: Give the Crystal Dragon 50 total crystals.
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35: Break a wall in the northwest area of Power Plant and defeat the Lancer.
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36 & 37: Collect the Power Key.
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38: At the bottom of the waterfall in the swamp, use the boomerang to break some mushrooms on the west side and hookshot over. Complete all of the boomerang+ puzzles to reach the heart.
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39: South of the witch’s hut, use the boomerang to clear some bushes in front of a fence and hookshot over. Continue south and defeat the two Cyclos in the pit. Continue to the heart.
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40: Use the balloon to reach this heart at the top of a small waterfall on the west side of the map.
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32: Give the Crystal Dragon 10 total crystals.
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33: Give the Crystal Dragon 25 total crystals.
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34: Give the Crystal Dragon 50 total crystals.
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35: Break a wall in the northwest area of Power Plant and defeat the Lancer.
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36 & 37: Collect the Power Key.
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38: At the bottom of the waterfall in the swamp, use the boomerang to break some mushrooms on the west side and hookshot over. Complete all of the boomerang+ puzzles to reach the heart.
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39: South of the witch’s hut, use the boomerang to clear some bushes in front of a fence and hookshot over. Continue south and defeat the two Cyclos in the pit. Continue to the heart.
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40: Use the balloon to reach this heart at the top of a small waterfall on the west side of the map.
Hearts 41 to 50
41: Use the balloon (or boomerang and hookshot) to access the underground of this island. Use the boomerang+ to activate 3 switches to get access to the heart.
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42: Claim the Arena’s 2rd reward
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43: Claim the Arena’s 4th reward
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44: In the six stele area, dig in the middle of the fox head bushes.
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45: In the Hall of Dwarfs, hit the switch on the left side.
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46: In City’s library, defeat all of the monsters on the lower level.
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47: Use the balloon to travel west in City and find a fox head island. Use the boomerang to cut down the bushes and float to the center. Dig for the Heart.
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48: In Forge, navigate the lava pushers on B3 to reach three chests.
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49 & 50: Defeat Forge’s Juggernaut.
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42: Claim the Arena’s 2rd reward
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43: Claim the Arena’s 4th reward
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44: In the six stele area, dig in the middle of the fox head bushes.
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45: In the Hall of Dwarfs, hit the switch on the left side.
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46: In City’s library, defeat all of the monsters on the lower level.
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47: Use the balloon to travel west in City and find a fox head island. Use the boomerang to cut down the bushes and float to the center. Dig for the Heart.
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48: In Forge, navigate the lava pushers on B3 to reach three chests.
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49 & 50: Defeat Forge’s Juggernaut.
Discs 1 to 10
1: Deliver coffee to the dwarf in Village’s bar.
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2: Open the chest on an island northwest of Village.
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3: Find the entrance to a hidden cave in an area northwest of the Illusion Temple. Traverse through cave network to reach the chest.
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4: Use the balloon to navigate on top of the roofs in Village and touch the big disc.
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5: Cut down a tree slightly east of forest’s Dwarf.
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6: Break down a wall just north of Snow Temple entrance.
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7: Find a hidden cave in the southern area of the swamp.
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8: In the Lost Maze, follow the path revealed by the banners in the Hall of Dwarfs (U R D L L U R U)
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9: Use the balloon to head to the northern part of City.
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10: In Field Temple, open the chest in the room to left of the entrance.
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2: Open the chest on an island northwest of Village.
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3: Find the entrance to a hidden cave in an area northwest of the Illusion Temple. Traverse through cave network to reach the chest.
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4: Use the balloon to navigate on top of the roofs in Village and touch the big disc.
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5: Cut down a tree slightly east of forest’s Dwarf.
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6: Break down a wall just north of Snow Temple entrance.
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7: Find a hidden cave in the southern area of the swamp.
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8: In the Lost Maze, follow the path revealed by the banners in the Hall of Dwarfs (U R D L L U R U)
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9: Use the balloon to head to the northern part of City.
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10: In Field Temple, open the chest in the room to left of the entrance.
Discs 11 to 20
11: In Mansion, break a wall on east side of the basement.
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12: Open the chest left from entrance after activating the furnace in the Snow Temple.
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13: After cutting the electiricty to the door to Power Plant’s boss, go back to the room with 2 helicopikes and break the south wall.
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14: In the Illusion Temple, in the same room you found a Heart, break down the southern wall to reveal a hidden staircase. In the multi-warp room, break down the southwestern wall.
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15: In Forge, break a wall to find Juggernaut’s room. Use the balloon to fall from the pit and down to the chest.
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16: Find a chest on the southeastern side of Castle’s lower floor.
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17: Use the balloon to fly over and fall into Hydra’s pit.
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18: Claim the Arena’s final reward.
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19: Collect the Field Key.
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20: Collect the Mansion Key.
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12: Open the chest left from entrance after activating the furnace in the Snow Temple.
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13: After cutting the electiricty to the door to Power Plant’s boss, go back to the room with 2 helicopikes and break the south wall.
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14: In the Illusion Temple, in the same room you found a Heart, break down the southern wall to reveal a hidden staircase. In the multi-warp room, break down the southwestern wall.
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15: In Forge, break a wall to find Juggernaut’s room. Use the balloon to fall from the pit and down to the chest.
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16: Find a chest on the southeastern side of Castle’s lower floor.
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17: Use the balloon to fly over and fall into Hydra’s pit.
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18: Claim the Arena’s final reward.
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19: Collect the Field Key.
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20: Collect the Mansion Key.
Discs 21 to 40
21: Collect the Snow Key.
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22: Collect the Power Key.
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23: On the top floor of the Illusion Temple, defeat the Cyclo.
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24: Defeat Forge’s Juggernaut.
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25 to 30: Defeat the end boss.
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31: In the Lost Maze, follow the path revealed by the six stele and deliver coffee to the dwarf (R D L U R U L L)
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32: Use the flippers+ to swim up the waterfall behind the Crystal Dragon.
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33: Not yet found.
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34: Use the balloon to fall off the edge of the warp zone.
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35: In the Lost Maze, follow the path revealed in the Kickstarter trailer (R U R D L D L U)
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36: Use the balloon to reach a cliff to the south of Crystal 14. Follow the path to reach the upper part of the starting area use the balloon again to reach a small patch of land. Dig to find the disc.
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37: After warping with the witch’s first potion, continue right and use the balloon to access a giant rock. Break the rock with strength+.
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38: Use the ballon and dig on this small patch of land on the west side of the map.
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39: Use the balloon to fly over to a small spot on the southwestern side of the swamp.
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40: In City, use the balloon on the eastern side to find a hidden sky island with a chest.
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22: Collect the Power Key.
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23: On the top floor of the Illusion Temple, defeat the Cyclo.
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24: Defeat Forge’s Juggernaut.
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25 to 30: Defeat the end boss.
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31: In the Lost Maze, follow the path revealed by the six stele and deliver coffee to the dwarf (R D L U R U L L)
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32: Use the flippers+ to swim up the waterfall behind the Crystal Dragon.
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33: Not yet found.
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34: Use the balloon to fall off the edge of the warp zone.
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35: In the Lost Maze, follow the path revealed in the Kickstarter trailer (R U R D L D L U)
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36: Use the balloon to reach a cliff to the south of Crystal 14. Follow the path to reach the upper part of the starting area use the balloon again to reach a small patch of land. Dig to find the disc.
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37: After warping with the witch’s first potion, continue right and use the balloon to access a giant rock. Break the rock with strength+.
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38: Use the ballon and dig on this small patch of land on the west side of the map.
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39: Use the balloon to fly over to a small spot on the southwestern side of the swamp.
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40: In City, use the balloon on the eastern side to find a hidden sky island with a chest.
And that wraps up our share on Master Key: Crystal, Heart and Disc locations. If you have any additional insights or tips to contribute, don’t hesitate to drop a comment below. For a more in-depth read, you can refer to the original article here by TheBK, who deserves all the credit. Happy gaming!